diff --git a/wp-content/mu-plugins/headless-home-url.php b/wp-content/mu-plugins/headless-home-url.php
new file mode 100644
index 0000000..1d37e72
--- /dev/null
+++ b/wp-content/mu-plugins/headless-home-url.php
@@ -0,0 +1,10 @@
+<?php
+
+// Map WordPress home URL to the public frontend domain
+add_filter( 'home_url', 'ccat_headless_home_url' );
+function ccat_headless_home_url( $url ) {
+	if ( is_admin() || wp_doing_cron() || defined( 'WP_CLI' ) ) {
+		return $url;
+	}
+	return str_replace( 'wp.cultureat.ca', 'cultureat.ca', $url );
+}